Home / 803,987.40-1,109,507.58-441,427.08

Finding the Fourth Proportional to 803,987.40, 1,109,507.58 and 441,427.08

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Solution

The fourth proportional to 803,987.40, 1,109,507.58 and 441,427.08 is: 609,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,987.40 : 1,109,507.58 = 441,427.08 : x
  2. Step 2: Convert to fraction form
    803,987.40/1,109,507.58 = 441,427.08/x
  3. Step 3: Cross multiply
    803,987.40x = 1,109,507.58 × 441,427.08
  4. Step 4: Simplify right side
    803,987.40x = 489,766,691,277.27
  5. Step 5: Solve for x
    x = 489,766,691,277.27/803,987.40
  6. Step 6: Final answer
    x = 609,172.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.